At last they’ve arrived! CF bulbs you can safely use with dimmers. Warm-glow, 23W, standard-fixture spiral bulb is the equivalent of a 65W incandescent. Rated at 6,000 hours. Warm-glow 16W reflector floodlight is designed for recessed ceilings, high hats, track lights, and similar uses that require R30 reflector bulbs. 23W dimmable and R30 floodlight dimmable bulbs can dim down to 20%.